Advertisements
Advertisements
प्रश्न
A line is divided into two parts in the ratio 2.5 : 1.3. If the smaller one is 35.1 cm, find the length of the line.
Advertisements
उत्तर
Ratio between two part = 2.5 : 1.3
Let first part = 2.5x cm
and second part = 1.3x cm
1.3x = 35.1
`x = 35.1/1.3`
x = 27
Length of larger part = 2.5 × 27
= 67.5 cm
Length of line = 35.1 + 67.5
= 102.6 cm
APPEARS IN
संबंधित प्रश्न
In a mixture of 126 kg of milk and water, milk and water are in ratio 5 : 2. How much water must be added to the mixture to make this ratio 3 : 2?
If x2, 4 and 9 are in continued proportion, find x.
If `(by + cz )/(b^2 + c^2) = (cz + ax)/(c^2 + a^2) = (ax + by)/(a^2 + b^2)` then show that each ratio is equal to `x/a = y/b = z/c`.
If x : y = 2 : 3 and y : z = 5 : 7, find x : y : z.
In the example below, find the ratio of the first number to the second.
52, 65
If (x – 9) : (3x + 6) is the duplicate ratio of 4 : 9, find the value of x.
Find the following ratio in the simplest form:
24 to 56
In an examination, the number of those who passed and the number of those who failed were in the ratio of 3 : 1. Had 8 more appeared, and 6 less passed, the ratio of passed to failures would have been 2 : 1. Find the number of candidates who appeared.
A line segment 56 cm long is to be divided into two parts in the ratio of 2 : 5. Find the length of each part.
Consider the statement: Ratio of breadth and length of a hall is 2 : 5. Complete the following table that shows some possible breadths and lengths of the hall.
|
Breadth of the hall (in metres) |
10 |
`square` |
40 |
|
Length of the hall (in metres) |
25 |
50 |
`square` |
